/Engine/Source/Editor/VREditor/Public/VREditorInteractor.h
To be overridden. Called by HandleInputKey before delegates and default input implementation
virtual void HandleInputKey ( class [FEditorViewportClient](API\Editor\UnrealEd\FEditorViewportClient) & ViewportClient, [FViewportActionKeyInput](API\Editor\ViewportInteraction\FViewportActionKeyInput) & Action, const [FKey](API\Runtime\InputCore\FKey) Key, const EInputEvent Event, bool & bOutWasHandled )